CN106864336B - Self-adaptive adjusting system and method for rigidity of automobile seat - Google Patents
Self-adaptive adjusting system and method for rigidity of automobile seat Download PDFInfo
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- CN106864336B CN106864336B CN201510925516.1A CN201510925516A CN106864336B CN 106864336 B CN106864336 B CN 106864336B CN 201510925516 A CN201510925516 A CN 201510925516A CN 106864336 B CN106864336 B CN 106864336B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/72—Attachment or adjustment thereof
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Abstract
The invention provides a self-adaptive adjusting system and a method for the rigidity of an automobile seat, wherein the system comprises the following components: the first sensor is used for detecting road surface information; a second sensor for detecting the rigidity of the car seat; the control unit is used for acquiring a first target rigidity value corresponding to the road surface information from a preset adjustment strategy according to the road surface information, comparing the first target rigidity value with a detection result of the second sensor to generate a first control parameter, and triggering the execution unit to adjust the rigidity of the automobile seat according to the first control parameter so that the rigidity value of the automobile seat is equal to the first target rigidity value. The self-adaptive adjusting system and method for the rigidity of the automobile seat can self-adaptively adjust the rigidity of the automobile seat according to the road condition, and solve the problem that the existing automobile seat is poor in comfort.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a system and a method for adaptively adjusting the rigidity of an automobile seat.
Background
As automobiles develop, driving comfort of automobiles is more and more concerned, however, among many influencing factors, the rigidity of automobile seats is one of the important factors influencing driving comfort of automobiles.
In the prior art, the rigidity of the backrest and the cushion of the automobile seat is mainly determined by the material and the thickness of the foam cotton of the seat, and the material and the thickness of the foam cotton in the automobile seat are fixed parameters, so that the rigidity of the existing automobile seat cannot be changed along with the change of the conditions such as the speed of the automobile and the road surface conditions, the driving comfort is influenced, and the health of the cervical vertebra and the lumbar vertebra of a driver can be adversely affected after long-time driving.
Disclosure of Invention
The invention provides a self-adaptive adjusting system and method for automobile seat rigidity, which are used for solving the problem that the existing automobile seat is poor in comfort.
A first aspect of the present invention provides a system for adaptive adjustment of stiffness of a vehicle seat, the system comprising:
the device comprises a first sensor, a control unit connected with the first sensor, and an execution unit and a second sensor which are respectively connected with the control unit;
the first sensor is used for detecting road surface information and sending the detected road surface information to the control unit; the second sensor is used for detecting the rigidity of the automobile seat and sending a detection result to the control unit; the control unit is used for acquiring a first target rigidity value corresponding to the road surface information from a preset adjusting strategy according to the road surface information, comparing the first target rigidity value with a detection result of the second sensor to generate a first control parameter, and triggering the execution unit to adjust the rigidity of the automobile seat according to the first control parameter so that the rigidity value of the automobile seat is equal to the first target rigidity value.
The second aspect of the invention provides a method for adaptively adjusting the rigidity of an automobile seat, which comprises the following steps:
the first sensor collects road information and sends the collected road information to the control unit;
the second sensor detects the rigidity value of the automobile seat and sends the detection result to the control unit;
the control unit acquires a first target rigidity value corresponding to the road surface information from a preset adjusting strategy according to the road surface information, compares the first target rigidity value with the rigidity value of the automobile seat to generate a first control parameter, and triggers the execution unit to adjust the rigidity of the automobile seat according to the first control parameter, so that the rigidity value of the automobile seat is equal to the first target rigidity value.
According to the self-adaptive adjusting system and method for the rigidity of the automobile seat, provided by the invention, the road surface information and the rigidity of the automobile seat are collected, the target rigidity value corresponding to the road surface information is obtained from a preset adjusting strategy, the rigidity value of the automobile seat is enabled to be equal to the target rigidity value by comparing the target rigidity value with the collected seat rigidity value and correspondingly adjusting the rigidity of the automobile seat according to the comparison result, so that the rigidity of the automobile seat is automatically adjusted under different road surface conditions, and the comfort level of the automobile seat is improved.
Drawings
Fig. 1 is a schematic structural diagram of an adaptive adjustment system for rigidity of a car seat according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an adaptive adjustment system for stiffness of a car seat according to another embodiment of the present invention;
FIG. 3 is a schematic flow chart of a method for adaptive adjustment of stiffness of a car seat according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of a method for adaptively adjusting rigidity of a car seat according to another embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic structural diagram of an adaptive adjustment system for rigidity of an automobile seat according to an embodiment of the present invention, and as shown in fig. 1, the adaptive adjustment system for rigidity of an automobile seat according to the embodiment includes:
a first sensor 11, a control unit 12 connected to the first sensor 11, and an execution unit 13 and a second sensor 14 connected to the control unit 12;
the first sensor 11 is configured to detect road surface information and send the detected road surface information to the control unit 12; the second sensor 14 is used for detecting the rigidity of the automobile seat and sending the detection result to the control unit 12; and the control unit 12 is configured to acquire a first target stiffness value corresponding to the road surface information from a preset adjustment strategy according to the road surface information, compare the first target stiffness value with a detection result of the second sensor, generate a first control parameter, and trigger the execution unit 13 to adjust the stiffness of the car seat according to the first control parameter, so that the stiffness value of the car seat is equal to the first target stiffness value.
Specifically, the first sensor 11 may be any one or more conventional sensors (for example, an inclination angle sensor, a suspension oscillation waveform sensor, etc.) that can be used to detect road surface information such as a road surface inclination, a road surface jerk, etc.
Further, the present embodiment preferably employs a suspension oscillation waveform sensor as the first sensor. The suspension oscillation waveform sensor is arranged on the chassis of the automobile to detect the degree of the road surface. When a vehicle runs, a suspension oscillation waveform sensor detects the degree of road surface bumping in real time, and sends a detection result to a control unit 12, the control unit 12 searches an optimal seat rigidity value (namely a first target rigidity value) corresponding to the detected degree of road surface bumping from a preset corresponding relation between the degree of road surface bumping and the optimal seat rigidity, meanwhile, a second sensor 14 sends the rigidity value of the seat detected in real time to the control unit 12, the control unit 12 compares the current rigidity value of the seat with the optimal seat rigidity value corresponding to the current degree of road surface bumping, if the rigidity value of the current seat is smaller than the optimal seat rigidity value corresponding to the current road surface condition, the difference value between the optimal seat rigidity value and the current seat rigidity value is calculated, and a corresponding control parameter for increasing the seat rigidity is generated according to the rigidity difference value obtained by calculation, and controlling the execution unit 13 to increase the rigidity value of the seat according to the control parameter so that the rigidity value of the seat is equal to the optimal seat rigidity value corresponding to the current road surface condition. If the current rigidity value is larger than the optimal seat rigidity value corresponding to the current road surface condition, calculating a difference value between the current seat rigidity value and the optimal seat rigidity value, generating a corresponding control parameter for reducing the seat rigidity according to the rigidity difference value obtained by calculation, and controlling the execution unit 13 to reduce the rigidity value of the seat according to the control parameter so as to enable the rigidity value of the seat to be equal to the optimal seat rigidity value corresponding to the current road surface condition.
It should be noted that the structure of the executing unit 13 corresponds to a mechanism inside the seat for influencing the seat stiffness, for example, the seat stiffness is adjusted by a spring, the executing unit 13 may include spring groups with different elastic coefficients disposed inside the seat and a control unit for controlling the spring groups to switch, and the control parameter generated by the corresponding control unit 12 may include an identifier of the spring group to be switched. For another example, the rigidity of the seat may also be adjusted by air/liquid bags disposed in the seat back and the seat cushion, the execution unit 13 may correspondingly include the air/liquid bags disposed in the seat back and the seat cushion and an air/liquid pump for inflating and deflating the air/liquid bags, and the control parameters generated by the corresponding control unit 12 may include an instruction for inflating/deflating the air/liquid bags, and corresponding parameters for the duration of inflating/deflating/liquid bags, etc. The structure of the execution unit 13 is not specifically limited in this embodiment.
According to the adaptive adjustment system for the rigidity of the automobile seat, provided by the embodiment, the road information and the rigidity of the automobile seat are acquired, the target rigidity value corresponding to the road information is acquired from the preset adjustment strategy, the target rigidity value is compared with the acquired seat rigidity value, and the rigidity of the automobile seat is correspondingly adjusted according to the comparison result, so that the rigidity value of the automobile seat is equal to the target rigidity value, the automatic adjustment of the rigidity of the automobile seat under different road conditions is realized, and the comfort level of the automobile seat is improved.
Fig. 2 is a schematic structural diagram of an adaptive adjustment system for rigidity of an automobile seat according to another embodiment of the present invention, and as shown in fig. 2, this embodiment may further include, on the basis of the foregoing embodiment: the collision sensor 15 is configured to transmit the acquired collision signal to the control unit 12, the control unit searches for a seat stiffness value (i.e., a second target stiffness value) corresponding to the collision signal from a preset correspondence between collision strength and seat stiffness according to the collision signal sent by the collision sensor 15, generates a corresponding control parameter (i.e., a second control parameter) by comparing the second target stiffness value with a current seat stiffness value detected by the second sensor 14, and controls the execution unit to adjust the seat stiffness according to the second control parameter, so that the seat stiffness value is equal to the second target stiffness value.
In this embodiment, the execution manner of adjusting the seat stiffness after determining the second target stiffness value is similar to the method for adjusting the seat stiffness after determining the first target stiffness value in the embodiment shown in fig. 1, and details are not repeated here.
In the embodiment, the collision signals generated when the automobile collides are collected by adopting the collision sensor, and corresponding control parameters are generated according to the collected collision signals, so that the rigidity of the seat can be adaptively adjusted according to different impact strengths, the harm of the seat to the human body in the collision process is reduced, and the safety of the automobile is enhanced.
Fig. 3 is a schematic flow chart of a method for adaptively adjusting rigidity of an automobile seat according to an embodiment of the present invention, and as shown in fig. 3, the method for adaptively adjusting rigidity of an automobile seat according to the embodiment includes the following steps:
s101, a first sensor collects road information and sends the collected road information to a control unit;
step S102, a second sensor detects the rigidity value of the automobile seat and sends a detection result to the control unit;
step S103, the control unit acquires a first target rigidity value corresponding to the road surface information from a preset adjusting strategy according to the road surface information, compares the first target rigidity value with the rigidity value of the automobile seat to generate a first control parameter, and triggers the execution unit to adjust the rigidity of the automobile seat according to the first control parameter so that the rigidity value of the automobile seat is equal to the first target rigidity value.
Specifically, the first sensor in this embodiment may be any one or more existing sensors (for example, an inclination angle sensor, a suspension oscillation waveform sensor, etc.) that can be used to detect road surface information such as a road surface inclination, a road surface bumpiness degree, etc.
Take the first sensor as a suspension oscillation waveform sensor as an example. The method comprises the steps that a suspension oscillation waveform sensor detects the degree of jolt of a road surface in real time when a vehicle runs, a detection result is sent to a control unit, the control unit determines an optimal seat rigidity value (namely a first target rigidity value) corresponding to the detected degree of jolt of the road surface from a preset corresponding relation between the degree of jolt of the road surface and the optimal rigidity of a seat, meanwhile, a second sensor sends the rigidity value of the seat detected in real time to the control unit, the control unit compares the current rigidity value of the seat with the optimal seat rigidity value corresponding to the current degree of jolt of the road surface, if the rigidity value of the current seat is smaller than the optimal seat rigidity value corresponding to the current road surface condition, the difference value between the optimal seat rigidity value and the current seat rigidity value is calculated, a corresponding control parameter for increasing the seat rigidity is generated according to the rigidity difference value obtained through calculation, and an execution unit is controlled to increase the rigidity value, so that the rigidity value of the seat is equal to the optimal seat rigidity value corresponding to the current road surface condition. If the rigidity value of the current seat is larger than the optimal seat rigidity value corresponding to the current road surface condition, calculating a difference value between the current seat rigidity value and the optimal seat rigidity value, generating a corresponding control parameter for reducing the seat rigidity according to the rigidity difference value obtained by calculation, and controlling an execution unit to reduce the rigidity value of the seat according to the control parameter so as to enable the rigidity value of the seat to be equal to the optimal seat rigidity value corresponding to the current road surface condition.
It should be noted here that the structure of the actuating unit corresponds to a mechanism inside the seat that affects the rigidity of the seat, for example, the rigidity of the seat is adjusted by a spring, the corresponding actuating unit may include spring groups with different elastic coefficients arranged inside the seat, and a control unit that controls the spring groups to switch, and the control parameter generated by the corresponding control unit may include an identifier of the spring group to be switched. For another example, the rigidity of the seat may also be adjusted by air/liquid bags disposed in the seat back and the seat cushion, the corresponding execution units may include air/liquid bags disposed in the seat back and the seat cushion, and air/liquid pumps for inflating and deflating the air/liquid bags, and the control parameters generated by the corresponding control units may include an instruction for inflating/deflating, a corresponding inflation/deflation/liquid time duration parameter, and the like. In this embodiment, the structure of the execution unit is not specifically limited.
According to the adaptive adjustment method for the rigidity of the automobile seat, the road information and the rigidity of the automobile seat are collected, the target rigidity value corresponding to the road information is obtained from the preset adjustment strategy, the target rigidity value is compared with the collected seat rigidity value, and the rigidity of the automobile seat is correspondingly adjusted according to the comparison result, so that the rigidity value of the automobile seat is equal to the target rigidity value, the automatic adjustment of the rigidity of the automobile seat under different road conditions is realized, and the comfort level of the automobile seat is improved.
Fig. 4 is a schematic flow chart of a method for adaptively adjusting rigidity of an automobile seat according to another embodiment of the present invention, and as shown in fig. 4, the method for adaptively adjusting rigidity of an automobile seat according to this embodiment may further include the following steps based on the embodiment shown in fig. 3:
step S201, a collision sensor collects a collision signal of an automobile and sends the collision signal to a control unit;
step S202, detecting the rigidity value of the automobile seat by a second sensor, and sending a detection result to the control unit;
step S203, the control unit acquires a second target stiffness value corresponding to the collision signal from a preset adjusting strategy according to the collision signal, compares the second target stiffness value with a detection result of the second sensor to generate a second control parameter, and triggers the execution unit to adjust the stiffness of the automobile seat according to the second control parameter, so that the stiffness value of the automobile seat is equal to the second target stiffness value.
The method provided by this embodiment is an execution method corresponding to the system shown in fig. 2, and the specific execution manner and beneficial effects thereof are similar to those of the system shown in fig. 2 and are not described herein again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. An adaptive adjustment system for the rigidity of an automobile seat is characterized by comprising:
the device comprises a first sensor, a control unit connected with the first sensor, and an execution unit and a second sensor which are respectively connected with the control unit; wherein the control unit is also connected with a collision sensor;
the first sensor is used for detecting road surface information and sending the detected road surface information to the control unit; the second sensor is used for detecting the rigidity of the automobile seat and sending a detection result to the control unit; the control unit is used for acquiring a first target stiffness value corresponding to the road surface information from a preset adjustment strategy according to the road surface information, comparing the first target stiffness value with a detection result of the second sensor to generate a first control parameter, and triggering the execution unit to adjust the stiffness of the automobile seat according to the first control parameter so that the stiffness value of the automobile seat is equal to the first target stiffness value;
the collision sensor is used for transmitting the acquired collision signal to the control unit;
the control unit is further configured to acquire a second target stiffness value corresponding to the collision signal from a preset adjustment strategy according to the collision signal, compare the second target stiffness value with a detection result of the second sensor, generate a second control parameter, and trigger the execution unit to adjust the stiffness of the automobile seat according to the second control parameter, so that the stiffness value of the automobile seat is equal to the second target stiffness value.
2. The adaptive automobile seat stiffness adjusting system according to claim 1, wherein the first sensor is a suspension oscillation waveform sensor for detecting a degree of a jolt on a road surface.
3. The adaptive automobile seat stiffness adjusting system according to claim 1, wherein the execution unit comprises:
the air/liquid pump is connected with the control unit, and the air/liquid bag is arranged in the backrest and the seat cushion of the automobile seat and corresponds to the air/liquid pump;
and the control unit is specifically used for triggering the air/hydraulic pump to perform corresponding inflation/liquid or exhaust/liquid operation on an air/liquid bag in a backrest and a seat cushion of the automobile seat according to the first control parameter, so that the rigidity value of the automobile seat is equal to the first target rigidity value.
4. A method for adaptively adjusting the rigidity of an automobile seat is characterized by comprising the following steps:
the first sensor collects road information and sends the collected road information to the control unit;
the second sensor detects the rigidity value of the automobile seat and sends the detection result to the control unit;
the control unit acquires a first target rigidity value corresponding to the road surface information from a preset adjusting strategy according to the road surface information, compares the first target rigidity value with the rigidity value of the automobile seat to generate a first control parameter, and triggers the execution unit to adjust the rigidity of the automobile seat according to the first control parameter so that the rigidity value of the automobile seat is equal to the first target rigidity value;
acquiring a collision signal of an automobile through a collision sensor, and sending the collision signal to the control unit;
the control unit acquires a second target rigidity value corresponding to the collision signal from a preset adjusting strategy according to the collision signal, compares the second target rigidity value with a detection result of the second sensor to generate a second control parameter, and triggers the execution unit to adjust the rigidity of the automobile seat according to the second control parameter, so that the rigidity value of the automobile seat is equal to the second target rigidity value.
5. The method of claim 4, wherein the first sensor is a suspension oscillation waveform sensor, and the collecting of the road surface information by the first sensor comprises:
and detecting the bumping degree of the road surface through the suspension oscillation waveform sensor.
6. The method of claim 4, wherein the execution unit comprises: the air/liquid pump is connected with the control unit, and the air/liquid bag is arranged in the backrest and the seat cushion of the automobile seat and corresponds to the air/liquid pump;
the triggering the execution unit to adjust the rigidity of the car seat according to the first control parameter so that the rigidity value of the car seat is equal to the first target rigidity value includes:
and triggering the air/hydraulic pump to perform corresponding inflation/hydraulic or exhaust/hydraulic operation on an air/hydraulic bag in the backrest and the seat cushion of the automobile seat according to the first control parameter so as to enable the rigidity value of the automobile seat to be equal to the first target rigidity value.
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| CN201510925516.1A CN106864336B (en) | 2015-12-14 | 2015-12-14 | Self-adaptive adjusting system and method for rigidity of automobile seat |
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| CN201510925516.1A CN106864336B (en) | 2015-12-14 | 2015-12-14 | Self-adaptive adjusting system and method for rigidity of automobile seat |
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| CN106864336B true CN106864336B (en) | 2020-04-21 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113942468A (en) * | 2020-07-15 | 2022-01-18 | 采埃孚汽车科技(上海)有限公司 | Pneumatic seat control system, control method, and computer-readable medium for vehicle |
| CN114043906B (en) * | 2021-12-15 | 2022-09-02 | 东风汽车集团股份有限公司 | Control method for improving driving comfort of vehicle, seat and equipment |
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| KR20070062724A (en) * | 2005-12-13 | 2007-06-18 | 현대자동차주식회사 | Control method and system for providing seat support |
| DE102008038023A1 (en) * | 2008-08-16 | 2010-02-18 | Daimler Ag | Motor vehicle seat i.e. driver seat, has sensor device strengthening suspension/damping characteristics of spring-damper-system, if sensor system recognizes alertness deficit in person seated on seat |
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| CN103935276A (en) * | 2014-03-31 | 2014-07-23 | 江苏大学 | Device and method capable of adjusting riding comfort of automobile seat |
| FR3007327A1 (en) * | 2013-06-21 | 2014-12-26 | Peugeot Citroen Automobiles Sa | METHOD AND DEVICE FOR CONTROLLING AN ACTIVE SUSPENSION SYSTEM OF A VEHICLE |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9199560B2 (en) * | 2013-09-13 | 2015-12-01 | Ford Global Technologies, Llc | Self-adjusting seat stiffness system |
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|---|---|---|---|---|
| US4913482A (en) * | 1985-09-30 | 1990-04-03 | Mitsubishi Denki Kabushiki Kaisha | Seat suspension system for automotive vehicle or the like |
| KR20070062724A (en) * | 2005-12-13 | 2007-06-18 | 현대자동차주식회사 | Control method and system for providing seat support |
| DE102008038023A1 (en) * | 2008-08-16 | 2010-02-18 | Daimler Ag | Motor vehicle seat i.e. driver seat, has sensor device strengthening suspension/damping characteristics of spring-damper-system, if sensor system recognizes alertness deficit in person seated on seat |
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